Home / 6,491,838.02-8,958,471.72-3,738,629.18

Finding the Fourth Proportional to 6,491,838.02, 8,958,471.72 and 3,738,629.18

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Solution

The fourth proportional to 6,491,838.02, 8,958,471.72 and 3,738,629.18 is: 5,159,155.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,491,838.02 : 8,958,471.72 = 3,738,629.18 : x
  2. Step 2: Convert to fraction form
    6,491,838.02/8,958,471.72 = 3,738,629.18/x
  3. Step 3: Cross multiply
    6,491,838.02x = 8,958,471.72 × 3,738,629.18
  4. Step 4: Simplify right side
    6,491,838.02x = 33,492,403,812,339.54
  5. Step 5: Solve for x
    x = 33,492,403,812,339.54/6,491,838.02
  6. Step 6: Final answer
    x = 5,159,155.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.